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/*
Unix SMB/CIFS implementation.
provide a command line options parsing function for ejs
Copyright (C) Andrew Tridgell 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "lib/cmdline/popt_common.h"
#include "scripting/ejs/smbcalls.h"
/*
usage:
options = GetOptions(argv,
"realm=s",
"enablexx",
"myint=i");
the special options POPT_COMMON_* options are recognised and replaced
with the Samba internal options
resulting parsed options are placed in the options object
additional command line arguments are placed in options.ARGV
*/
static int ejs_GetOptions(MprVarHandle eid, int argc, struct MprVar **argv)
{
poptContext pc;
int opt;
struct {
const char *name;
struct poptOption *table;
const char *description;
} tables[] = {
{ "POPT_AUTOHELP", poptHelpOptions, "Help options:" },
{ "POPT_COMMON_SAMBA", popt_common_samba, "Common Samba options:" },
{ "POPT_COMMON_CONNECTION", popt_common_connection, "Connection options:" },
{ "POPT_COMMON_CREDENTIALS", popt_common_credentials, "Authentication options:" },
{ "POPT_COMMON_VERSION", popt_common_version, "Common Samba options:" }
};
struct MprVar *options = mprInitObject(eid, "options", 0, NULL);
TALLOC_CTX *tmp_ctx = talloc_new(mprMemCtx());
struct poptOption *long_options = NULL;
int i, num_options = 0;
int opt_argc;
const char **opt_argv;
const char **opt_names = NULL;
const int BASE_OPTNUM = 0x100000;
/* validate arguments */
if (argc < 1 || argv[0]->type != MPR_TYPE_OBJECT) {
ejsSetErrorMsg(eid, "GetOptions invalid arguments");
return -1;
}
opt_argv = mprToArray(tmp_ctx, argv[0]);
opt_argc = str_list_length(opt_argv);
long_options = talloc_array(tmp_ctx, struct poptOption, 1);
if (long_options == NULL) {
return -1;
}
/* create the long_options array */
for (i=1;i<argc;i++) {
const char *optstr = mprToString(argv[i]);
int t, opt_type = POPT_ARG_NONE;
const char *s;
if (argv[i]->type != MPR_TYPE_STRING) {
ejsSetErrorMsg(eid, "GetOptions string argument");
return -1;
}
long_options = talloc_realloc(tmp_ctx, long_options,
struct poptOption, num_options+2);
if (long_options == NULL) {
return -1;
}
ZERO_STRUCT(long_options[num_options]);
/* see if its one of the special samba option tables */
for (t=0;t<ARRAY_SIZE(tables);t++) {
if (strcmp(tables[t].name, optstr) == 0) {
break;
}
}
if (t < ARRAY_SIZE(tables)) {
opt_names = str_list_add(opt_names, optstr);
talloc_steal(tmp_ctx, opt_names);
long_options[num_options].argInfo = POPT_ARG_INCLUDE_TABLE;
long_options[num_options].arg = tables[t].table;
long_options[num_options].descrip = tables[t].description;
num_options++;
continue;
}
s = strchr(optstr, '=');
if (s) {
char *name = talloc_strndup(tmp_ctx, optstr, (int)(s-optstr));
opt_names = str_list_add(opt_names, name);
if (s[1] == 's') {
opt_type = POPT_ARG_STRING;
} else if (s[1] == 'i') {
opt_type = POPT_ARG_INT;
} else {
ejsSetErrorMsg(eid, "GetOptions invalid option type");
return -1;
}
talloc_free(name);
} else {
opt_names = str_list_add(opt_names, optstr);
}
talloc_steal(tmp_ctx, opt_names);
if (strlen(opt_names[num_options]) == 1) {
long_options[num_options].shortName = opt_names[num_options][0];
} else {
long_options[num_options].longName = opt_names[num_options];
}
long_options[num_options].argInfo = opt_type;
long_options[num_options].val = num_options + BASE_OPTNUM;
num_options++;
}
ZERO_STRUCT(long_options[num_options]);
pc = poptGetContext("smbscript", opt_argc, opt_argv, long_options, 0);
/* parse the options */
while((opt = poptGetNextOpt(pc)) != -1) {
const char *arg;
if (opt < BASE_OPTNUM || opt >= num_options + BASE_OPTNUM) {
char *err;
err = talloc_asprintf(tmp_ctx, "%s: %s",
poptBadOption(pc, POPT_BADOPTION_NOALIAS),
poptStrerror(opt));
mprSetVar(options, "ERROR", mprString(err));
talloc_free(tmp_ctx);
mpr_Return(eid, mprCreateUndefinedVar());
return 0;
}
opt -= BASE_OPTNUM;
arg = poptGetOptArg(pc);
if (arg == NULL) {
mprSetVar(options, opt_names[opt], mprCreateBoolVar(1));
} else if (long_options[opt].argInfo == POPT_ARG_INT) {
int v = strtol(arg, NULL, 0);
mprSetVar(options, opt_names[opt], mprCreateIntegerVar(v));
} else {
mprSetVar(options, opt_names[opt], mprString(arg));
}
}
/* setup options.argv list */
mprSetVar(options, "ARGV", mprList("ARGV", poptGetArgs(pc)));
poptFreeContext(pc);
talloc_free(tmp_ctx);
/* setup methods */
mprSetCFunction(options, "get_credentials", ejs_credentials_cmdline);
return 0;
}
/*
setup C functions that be called from ejs
*/
void smb_setup_ejs_options(void)
{
ejsDefineCFunction(-1, "GetOptions", ejs_GetOptions, NULL, MPR_VAR_SCRIPT_HANDLE);
}
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